* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.example-app {
  &-title {
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 24px;
  }
  &-desc {
    margin-bottom: 24px;
  }
  &-sbuTitle {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 16px;
  }
  &-header {
    height: 64px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    &-layout {
      height: 64px;
      display: flex;
      align-items: center;
    }
    &-aside {
      display: flex;
      align-items: center;
      justify-content: center;
      border-right: 1px solid #eeeeee;
      flex: 1;
      min-width: 200px;
      .boatImg {
        width: 32px;
        height: 32px;
      }
      .name {
        margin-left: 16px;
        font-size: 18px;
        color: #333333;
        font-weight: bold;
      }
    }
    &-content {
      height: 100%;
      display: flex;
      align-items: center;
      flex: 7;
    }
  }
  &-aside {
    padding-left: 10px;
    padding-top: 20px;
    background: #f9f9f9;
    flex: 1;
    min-width: 200px;
    height: 100%;
    overflow: auto;
    &-menuGroup {
      &-title {
        padding-top: 32px;
        padding-bottom: 16px;
        color: rgba(0, 0, 0, 0.45);
        font-size: 14px;
        border-bottom: 1px solid #eeeeee;
        margin-bottom: 8px;
        margin-left: 32px;
        margin-right: 24px;
      }
    }
    &-menuItem {
      color: #333;
      margin-bottom: 4px;
      padding: 8px 32px;
      border-radius: 8px 0 0 8px;
      position: relative;
      $brSize: 20px;
      &:hover {
        $brBg: rgba(255,255,255, 0.5);
        background: $brBg;
        cursor: pointer;
        &::before {
          display: block;
          background: radial-gradient(circle at top left, transparent, transparent $brSize, $brBg $brSize, $brBg 100%);
        }
        &::after {
          display: block;
          background: radial-gradient(circle at bottom left, transparent, transparent $brSize, $brBg $brSize, $brBg 100%);
        }
      }
      &::before {
        display: none;
        content: '';
        position: absolute;
        width: $brSize;
        height: $brSize;
        right: 0;
        top: -$brSize;
        background: radial-gradient(circle at top left, transparent, transparent $brSize, #fff $brSize, #fff 100%);
      }
      &::after {
        display: none;
        content: '';
        position: absolute;
        width: $brSize;
        height: $brSize;
        right: 0;
        bottom: -$brSize;
        background: radial-gradient(circle at bottom left, transparent, transparent $brSize, #fff $brSize, #fff 100%);
      }
      &__selected {
        background: #ffffff;
        font-weight: bold;
        &::before,&::after {
          display: block;
        }
      }
    }
  }
  &-content {
    overflow: auto;
    height: 100%;
    padding: 20px;
    flex: 7;
  }
}